import  collections
from random import choice

Card = collections.namedtuple('Card', ['rank', 'suit'])

class FrenchDeck:
    ranks = [str(n) for n in range(2, 11)] + list('JQKA')
    suits = 'spades diamonds clubs hearts'.split()

    def __init__(self):
        self._cards = [Card(rank, suit) for suit in self.suits for rank in self.ranks]

    def __len__(self):
        return len(self._cards)

    def __getitem__(self, position):
        return self._cards[position]


beer_card = Card('7', 'diamonds')
print beer_card

deck = FrenchDeck()
print len(deck)

print choice(deck)
print choice(deck)
print choice(deck)

print deck[:3]

print deck[12::13]

for card in deck:
    print card
